gpt-oss-safeguard-20b vs GPT-5 Nano
GPT-5 Nano is the cheaper option on input by 33%; gpt-oss-safeguard-20b is cheaper on output by 25%. Figures below are per million tokens, from vendor pricing cited in our reporting.
| gpt-oss-safeguard-20b | GPT-5 Nano | |
|---|---|---|
| Input per 1M tokens | $0.07 | $0.05 |
| Output per 1M tokens | $0.30 | $0.40 |
| Cached input per 1M | $0.04 | $0.01 |
| Context window | 131K tokens | 400K tokens |
| Parameters | — | — |
| Licence | open weights | |
| Benchmark | — | — |
| Vendor | OpenAI | OpenAI |
| Released | — | — |
What the numbers say
- Input price gap: 33% ($0.07 vs $0.05).
- Blended three-to-one input/output rate: $0.52 for gpt-oss-safeguard-20b, $0.55 for GPT-5 Nano.
- Context: 131K tokens against 400K tokens.
- Licence: gpt-oss-safeguard-20b is open weights; GPT-5 Nano is .
Sources
gpt-oss-safeguard-20b specs · GPT-5 Nano specs · Full price index